From: John Ferlan <jferlan@redhat.com>
Date: Thu, 15 Oct 2015 20:05:52 +0000 (-0400)
Subject: qemu: Check for niothreads == 0 in qemuSetupCgroupForIOThreads
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=10604cb8c583774fa9f1d0debbaec324e2cbfeb2;p=people%2Fliuw%2Flibxenctrl-split%2Flibvirt.git

qemu: Check for niothreads == 0 in qemuSetupCgroupForIOThreads

If there are no IOThreads defined, no sense making other checks
---

diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
index 570dab5ee..a8e0b8cad 100644
--- a/src/qemu/qemu_cgroup.c
+++ b/src/qemu/qemu_cgroup.c
@@ -1163,6 +1163,9 @@ qemuSetupCgroupForIOThreads(virDomainObjPtr vm)
     char *mem_mask = NULL;
     virDomainNumatuneMemMode mem_mode;
 
+    if (def->niothreadids == 0)
+        return 0;
+
     if ((period || quota) &&
         !virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPU)) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",